Games like War to the Core
Games like War to the Core include Broken Arrow, Total War: WARHAMMER III, Company of Heroes 3, Warhammer 40,000: Dawn of War III, and Predecessor. We matched them by the tags players give War to the Core on Steam (Action RTS, Real Time Tactics, MOBA, Colorful, and RTS): closest matches first, and among equally close ones the better-known games.

Broken Arrow
Shared: Real Time Tactics · Action RTS · Strategy

Total War: WARHAMMER III
Shared: Real Time Tactics · Strategy · RTS

Company of Heroes 3
Shared: Action RTS · Strategy · RTS

Warhammer 40,000: Dawn of War III
Shared: RTS · MOBA · Strategy

Predecessor
Shared: MOBA · Action · PvP

Demigod
Shared: Real Time Tactics · MOBA · PvP

Planetary Annihilation: TITANS
Shared: Real Time Tactics · RTS · Strategy

Men of War: Assault Squad 2
Shared: Strategy · RTS · Real Time Tactics

9-Bit Armies: A Bit Too Far
Shared: Action RTS · Real Time Tactics · RTS

Door Kickers 2: Task Force North
Shared: Real Time Tactics · Co-op · Action

SMITE®
Shared: MOBA · Action · Strategy

Total War: WARHAMMER II
Shared: Strategy · RTS · Action

Battlefleet Gothic: Armada 2
Shared: Real Time Tactics · RTS · Strategy

Aliens: Dark Descent
Shared: Real Time Tactics · Strategy · RTS

Battlefleet Gothic: Armada (Classic)
Shared: RTS · Real Time Tactics · Strategy

Warhammer Age of Sigmar: Realms of Ruin
Shared: Action RTS · Real Time Tactics · RTS

Total War: THREE KINGDOMS
Shared: Strategy · RTS · Real Time Tactics

PUBG: BATTLEGROUNDS
Shared: PvP · Co-op · Action

WARNO
Shared: Real Time Tactics · RTS · Strategy

Sudden Strike 4
Shared: Real Time Tactics · Action RTS · RTS

Natural Selection 2
Shared: Strategy · Action · RTS

STAR WARS™ Empire at War - Gold Pack
Shared: RTS · Strategy · Action

Call to Arms - Gates of Hell: Ostfront
Shared: Real Time Tactics · Strategy · RTS

Paladins®
Shared: Action · PvP · MOBA